Determine the values of given trigonometric functions
If cos(t)=-911 where Π a. cos(2t)= b. sin(2t)= c.cos(t/2) d.sin(t/2)
a. cos(2t)= b. sin(2t)= c.cos(t/2) d.sin(t/2)
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Determine the probability that the average age of these 40 airplanes is at least 14 years old? Round your answer to 4 decimal places. Remember to round your z-value to two decimal places.
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